Answer: The volume(v) is 438.77.
Explanation: The formula for a right circular cone is in the image.
You would do 2x-3+x+3x-15=360
combine like terms which then gives you
5x-18=360 then you would add 18 to both sides giving you
5x=378
and then you divide by 5 on both sides which will then give you your answer x=?
The answer is d. All ratios on the chart divide out to 3.5 as d does the same